Package org.zkoss.zkex.zul.impl

Class JHLabsCaptchaEngine

java.lang.Object

org.zkoss.zkex.zul.impl.JHLabsCaptchaEngine

All Implemented Interfaces:

Serializable, org.zkoss.zul.impl.CaptchaEngine

public class JHLabsCaptchaEngine
extends Object
implements org.zkoss.zul.impl.CaptchaEngine, Serializable

A captcha engine implemented with JH Labs libraries.

Available in ZK PE and ZK EE.

See also JH Labs

Since:

3.0.0

Author:

henrichen

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
JHLabsCaptchaEngine()

Method Summary

Modifier and Type	Method	Description
protected int	drawText(Graphics2D g2D, org.zkoss.zul.Captcha captcha)
byte[]	generateCaptcha(Object data)
protected BufferedImage	rotateChar(String substr, int width, int height, Font font, Color fontColor, Color bgColor)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

JHLabsCaptchaEngine

public JHLabsCaptchaEngine()

Method Details

generateCaptcha

public byte[] generateCaptcha(Object data)

Specified by:

generateCaptcha in interface org.zkoss.zul.impl.CaptchaEngine

drawText

protected int drawText(Graphics2D g2D,
 org.zkoss.zul.Captcha captcha)

rotateChar

protected BufferedImage rotateChar(String substr,
 int width,
 int height,
 Font font,
 Color fontColor,
 Color bgColor)